This Code applies to piping for all fluids including: (1) raw, intermediate, and finished chemicals; (2) petroleum products; (3) gas, steam, air and water; (4) fluidized solids; (5) refrigerants; and (6) cryogenic fluids. Also included is piping that interconnects pieces or stages within a packaged equipment assembly. Key changes to this revision include: ߦ Severe Cyclic Conditions ߦ MPa Allowable Stresses ߦ Expansion Joints ߦ Flange Joint Assembly ߦ Ultrasonic Examination Acceptance Criteria ߦ Category M Fluid Service Examination ߦ Leak Testing of Instrument Connections ߦ Leak Testing of Vacuum Systems ߦ Leak Testing of Insulated Systems ߦ Leak Testing of Assembled Piping